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eZeZdS )a  


.. dialect:: mysql+pyodbc
    :name: PyODBC
    :dbapi: pyodbc
    :connectstring: mysql+pyodbc://<username>:<password>@<dsnname>
    :url: http://pypi.python.org/pypi/pyodbc/

    .. note:: The PyODBC for MySQL dialect is not well supported, and
       is subject to unresolved character encoding issues
       which exist within the current ODBC drivers available.
       (see http://code.google.com/p/pyodbc/issues/detail?id=25).
       Other dialects for MySQL are recommended.

Pass through exact pyodbc connection string::

    import urllib
    connection_string = (
        'DRIVER=MySQL ODBC 8.0 ANSI Driver;'
        'SERVER=localhost;'
        'PORT=3307;'
        'DATABASE=mydb;'
        'UID=root;'
        'PWD=(whatever);'
        'charset=utf8mb4;'
    )
    params = urllib.parse.quote_plus(connection_string)
    connection_uri = "mysql+pyodbc:///?odbc_connect=%s" % params

    N   )MySQLDialect)MySQLExecutionContext)TIME   )util)PyODBCConnector)Timec                   @      e Zd Zdd ZdS )_pyodbcTIMEc                 C   s   dd }|S )Nc                 S   s   | S )N )valuer   r   /home/ubuntu/experiments/live_experiments/Pythonexperiments/Otree/venv/lib/python3.10/site-packages/sqlalchemy/dialects/mysql/pyodbc.pyprocess4   s   z-_pyodbcTIME.result_processor.<locals>.processr   )selfdialectZcoltyper   r   r   r   result_processor3   s   z_pyodbcTIME.result_processorN)__name__
__module____qualname__r   r   r   r   r   r   2       r   c                   @   r
   )MySQLExecutionContext_pyodbcc                 C   s*   |   }|d | d }|  |S )NzSELECT LAST_INSERT_ID()r   )Zcreate_cursorexecuteZfetchoneclose)r   cursorZ	lastrowidr   r   r   get_lastrowid<   s
   
z*MySQLExecutionContext_pyodbc.get_lastrowidN)r   r   r   r   r   r   r   r   r   ;   r   r   c                       sJ   e Zd ZeejeeiZdZ	e
ZdZ fddZdd Zdd Z  ZS )	MySQLDialect_pyodbcFMySQLc                    s&   | dd tt| jdi | d S )NZconvert_unicodeTr   )
setdefaultsuperr   __init__)r   kw	__class__r   r   r    K   s   zMySQLDialect_pyodbc.__init__c                 C   sN   | d}dd | |D }dD ]}||dr||   S qtd dS )z:Sniff out the character set in use for connection results.z%SHOW VARIABLES LIKE 'character_set%%'c                 S   s   i | ]	}|d  |d qS )r   r   r   ).0rowr   r   r   
<dictcomp>Z   s    z7MySQLDialect_pyodbc._detect_charset.<locals>.<dictcomp>)Zcharacter_set_connectionZcharacter_setNz@Could not detect the connection character set.  Assuming latin1.latin1)r   Z_compat_fetchallgetr   warn)r   
connectionrsoptskeyr   r   r   _detect_charsetP   s   
	z#MySQLDialect_pyodbc._detect_charsetc                 C   s0   t dt|j}|d}|rt|S d S )Nz	\((\d+)\)r   )recompilesearchstrargsgroupint)r   	exceptionmcr   r   r   _extract_error_codee   s
   
z'MySQLDialect_pyodbc._extract_error_code)r   r   r   r   Zupdate_copyr   Zcolspecsr	   r   Zsupports_unicode_statementsr   Zexecution_ctx_clsZpyodbc_driver_namer    r.   r9   __classcell__r   r   r"   r   r   D   s    r   )__doc__r/   baser   r   typesr    r   Zconnectors.pyodbcr   Zsql.sqltypesr	   r   r   r   r   r   r   r   r   <module>   s    		*